Home / 3,501.92-4,832.80-1,930.16

Finding the Fourth Proportional to 3,501.92, 4,832.80 and 1,930.16

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Solution

The fourth proportional to 3,501.92, 4,832.80 and 1,930.16 is: 2,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.92 : 4,832.80 = 1,930.16 : x
  2. Step 2: Convert to fraction form
    3,501.92/4,832.80 = 1,930.16/x
  3. Step 3: Cross multiply
    3,501.92x = 4,832.80 × 1,930.16
  4. Step 4: Simplify right side
    3,501.92x = 9,328,077.25
  5. Step 5: Solve for x
    x = 9,328,077.25/3,501.92
  6. Step 6: Final answer
    x = 2,663.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.